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/*
* This file is part of XForms.
*
* XForms is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1, or
* (at your option) any later version.
*
* XForms is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with XForms. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file sp_freeobj.c
*
* This file is part of XForms package
* Copyright (c) 1996-2002 T.C. Zhao and Mark Overmars
* All rights reserved.
*
* Settting free object class specific attributes, in this
* case, the handler name. We store this piece of into in
* ob->c_vdata.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ctype.h>
#include "fd_main.h"
#include "fd_spec.h"
#include "sp_freeobj.h"
#include "spec/freeobj_spec.h"
static char *get_free_handle( FL_OBJECT * ob,
const char * name );
static char ori_handle_name[ 128 ];
static FD_freeobjattrib *fo_attrib;
static FL_OBJECT *curobj;
/***************************************
***************************************/
FL_FORM *
freeobj_create_spec_form( void )
{
if ( ! fo_attrib )
fo_attrib = create_form_freeobjattrib( );
return fo_attrib->freeobjattrib;
}
/***************************************
***************************************/
void
freeobj_adjust_spec_form( FL_OBJECT * obj )
{
curobj = obj;
*ori_handle_name = '\0';
if ( obj->c_vdata )
strcpy( ori_handle_name, obj->c_vdata );
}
/***************************************
***************************************/
void
freeobj_fill_in_spec_form( FL_OBJECT * obj )
{
fl_set_input( fo_attrib->hname, get_free_handle( obj, 0 ) );
}
/***************************************
***************************************/
void
freeobj_reread_spec_form( FL_OBJECT * obj FL_UNUSED_ARG )
{
if ( curobj )
handler_name_change_cb( fo_attrib->hname, 0 );
}
/***************************************
***************************************/
void
freeobj_restore_spec( FL_OBJECT * obj )
{
fli_safe_free( obj->c_vdata );
obj->c_vdata = fl_strdup( ori_handle_name );
}
/***************************************
***************************************/
void
freeobj_emit_spec_fd_code( FILE * fp,
FL_OBJECT * obj )
{
if ( obj->c_vdata )
fprintf( fp, " handler: %s\n", ( char * ) obj->c_vdata );
}
/***************************************
***************************************/
int
noop_handle( FL_OBJECT * obj,
int e,
FL_Coord mx FL_UNUSED_ARG,
FL_Coord my FL_UNUSED_ARG,
int k FL_UNUSED_ARG,
void * xev FL_UNUSED_ARG )
{
if ( e == FL_DRAW )
{
fl_drw_box( obj->boxtype, obj->x, obj->y, obj->w, obj->h,
obj->col1, obj->bw );
return 0;
}
if ( obj->type == FL_INACTIVE_FREE )
return 0;
else if ( obj->type == FL_INPUT_FREE )
return e == FL_KEYPRESS;
return 1;
}
/***************************************
***************************************/
void
handler_name_change_cb( FL_OBJECT * obj,
long data FL_UNUSED_ARG )
{
fli_safe_free( curobj->c_vdata );
curobj->c_vdata = fl_strdup( fl_get_input( obj ) );
}
/* default free object handler name */
#define MAXFREEOBJ 16
/***************************************
***************************************/
static char *
get_free_handle( FL_OBJECT * obj,
const char * name )
{
static int n;
static char buf[ 1024 ];
static FL_OBJECT *freeobj[ MAXFREEOBJ ];
if ( obj->c_vdata )
strcpy( buf, obj->c_vdata );
else if ( name && *name )
sprintf( buf, "freeobj_%s_handle", name );
else if ( *obj->label )
sprintf( buf, "freeobj_%s_handle", obj->label );
else
{
int i, k;
for ( k = -1, i = 0; i < MAXFREEOBJ && k < 0; i++ )
if ( freeobj[ i ] == obj )
k = i;
if ( k < 0 )
{
k = ++n;
freeobj[ k ] = obj;
}
sprintf( buf, "freeobj%d_handle", k );
}
return buf;
}
#include "spec/freeobj_spec.c"
/*
* Local variables:
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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